diff --git a/Gemfile.lock b/Gemfile.lock
index 4d67af5..155f38d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -150,9 +150,9 @@ GEM
     test-unit (3.2.0)
       power_assert
     thor (0.19.1)
-    thread_safe (0.3.5)
+    thread_safe (0.3.6)
     tins (1.6.0)
-    tzinfo (1.2.2)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     vcr (3.0.3)
     webmock (2.1.0)